She brought up the topic delicately to avoid hurting his feelings.

delicately 是形容词 delicate 的副词形式。delicate 本意是"精致的、易碎的"，引申为"需要小心处理的"。 delicately 作为副词，意思是"谨慎地、小心翼翼地"，形容以细致体贴的方式处理敏感话题。